INTERCONVERSION among nonessential amino acids.
D000596:Amino Acids; D003553:Cystine / Q000378:metabolism*; D004044:Dietary Proteins; D005998:Glycine / Q000378:metabolism*; D006801:Humans; D012694:Serine / Q000378:metabolism*
D000596:Amino Acids; D004044:Dietary Proteins; D012694:Serine; D003553:Cystine; D005998:Glycine
CYSTINE/metabolism; GLYCINE/metabolism; SERINE/metabolism